OUTLINE: Patients receive doxorubicin IV continuously on days 1-3 and ifosfamide IV over 3 hours on days 1-4. Patients also receive filgrastim (G-CSF) beginning on day 5 and continuing until blood counts recover. Treatment repeats every 21 days for a maximum of 4 courses in the absence of unacceptable toxicity. Beginning 2-4 weeks after chemotherapy, patients undergo radiotherapy daily, 5 days a week, for 5-6 weeks. Beginning 4-7 weeks after radiotherapy, patients undergo complete surgical resection with intraoperative or postoperative radiotherapy or brachytherapy.